Home / 145,018.49-217,539.41-55,104.26

Finding the Fourth Proportional to 145,018.49, 217,539.41 and 55,104.26

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Solution

The fourth proportional to 145,018.49, 217,539.41 and 55,104.26 is: 82,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,018.49 : 217,539.41 = 55,104.26 : x
  2. Step 2: Convert to fraction form
    145,018.49/217,539.41 = 55,104.26/x
  3. Step 3: Cross multiply
    145,018.49x = 217,539.41 × 55,104.26
  4. Step 4: Simplify right side
    145,018.49x = 11,987,347,231.10
  5. Step 5: Solve for x
    x = 11,987,347,231.10/145,018.49
  6. Step 6: Final answer
    x = 82,660.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.